sakula | 16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb

General

Target

16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe
Size

36KB
MD5

e0d468073ea71d761abd8fdd3d7b0122
SHA1

33d5a3bb9c0936f6648c345b1efd4e9377640fd2
SHA256

16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb
SHA512

8ce16a528160d8e3aaa36318f8caa3c83b357237bae138dc1918355b2da015b9f0e7e3af389408a72b4e4c77b1a8624597c53ab7d0ad85fe6ed53377ff10d127

Score

10^/10

sakula persistence rat trojan

Malware Config

Signatures

Sakula
Sakula is a remote access trojan with various capabilities.
trojan rat sakula
Executes dropped EXE 1 IoCs

Processes:

MediaCenter.exe

pid process

1300 MediaCenter.exe

pid	process
1300	MediaCenter.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe"	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe

Drops file in Windows directory 3 IoCs

Processes:

TiWorker.exesvchost.exe

description	ioc	process
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 50 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.212507"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4100"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4208"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892874686114057"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.781307"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

564 PING.EXE

pid	process
564	PING.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exeTiWorker.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe
Token: SeBackupPrivilege	3488	TiWorker.exe
Token: SeRestorePrivilege	3488	TiWorker.exe
Token: SeSecurityPrivilege	3488	TiWorker.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.execmd.exe

description	pid	process	target process
PID 3660 wrote to memory of 1300	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe	MediaCenter.exe
PID 3660 wrote to memory of 1300	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe	MediaCenter.exe
PID 3660 wrote to memory of 1300	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe	MediaCenter.exe
PID 3660 wrote to memory of 2948	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe	cmd.exe
PID 3660 wrote to memory of 2948	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe	cmd.exe
PID 3660 wrote to memory of 2948	3660	16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe	cmd.exe
PID 2948 wrote to memory of 564	2948	cmd.exe	PING.EXE
PID 2948 wrote to memory of 564	2948	cmd.exe	PING.EXE
PID 2948 wrote to memory of 564	2948	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe
"C:\Users\Admin\AppData\Local\Temp\16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3660

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
2⤵
- Executes dropped EXE
PID:1300

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\16f27f7028a37fff30ea4791f1e507f3e382f13574c493730cd275e38a195feb.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2948

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
3⤵
- Runs ping.exe
PID:564

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2124

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3456

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3488

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
75f8361290e4f84804d81ea6bc6bb02b

SHA1
461e9496d4dce9e4ebf8efa9dca4fe7189b6974f

SHA256
7d24de741d142e3fe7a1ed61c72b8867515ac781bfeab45947d9204f62dbefbe

SHA512
06e7d2e01aba7752527992d8a27437bde904a82783834695c5a3a57f972fe330579170da136d5c42099348b6c56188009427c8e6d4ddea688691e70917766170

Download Submit
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5
75f8361290e4f84804d81ea6bc6bb02b

SHA1
461e9496d4dce9e4ebf8efa9dca4fe7189b6974f

SHA256
7d24de741d142e3fe7a1ed61c72b8867515ac781bfeab45947d9204f62dbefbe

SHA512
06e7d2e01aba7752527992d8a27437bde904a82783834695c5a3a57f972fe330579170da136d5c42099348b6c56188009427c8e6d4ddea688691e70917766170

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads